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    • 1. 发明公开
    • ENDOSCOPE
    • 内窥镜
    • EP2514352A1
    • 2012-10-24
    • EP11836000.7
    • 2011-10-06
    • OLYMPUS MEDICAL SYSTEMS CORP.
    • GONO, TakaakiSHINKAI, NarutoADACHI, JunichiTAKEKOSHI, Satoshi
    • A61B1/00A61B1/04A61B1/06
    • A61B1/0638A61B1/00163A61B1/05A61B1/0676A61B1/0684A61B1/07
    • An endoscope includes: an insertion portion to be inserted into a subject; an operation section provided at a proximal end of the insertion portion; a first light source section provided inside the operation section, the first light source section generating first light as broadband light having a broadband wavelength characteristic; a light guiding section that guides the first light emitted from the first light source section; a second light source section provided in a vicinity of a distal end portion of the insertion portion, the second light source section generating second light as narrow band light having a narrow band wavelength characteristic; and a prism provided at the distal end portion of the insertion portion, the prism including a first entrance face and a second entrance face from which the first light and the second light enter, respectively and an emission face that emits lights entering from the first and second entrance faces in a predetermined direction.
    • 内窥镜包括:要插入到对象中的插入部分; 操作部分,其设置在插入部分的近端; 第一光源部分,设置在所述操作部分内,所述第一光源部分生成作为具有宽带波长特性的宽带光的第一光; 导光部,其对从所述第一光源部射出的所述第一光进行导光; 第二光源部分,设置在插入部分的远端部分附近,第二光源部分产生具有窄带波长特性的窄带光的第二光; 以及设置在插入部分的远端部分的棱镜,所述棱镜包括分别进入第一入射面和第二入射面的第一入射面和第二入射面以及发射从第一入射面和第二入射面入射的光的出射面, 第二入口面在预定方向上。